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Straw degrading bacteria and separation and screening method

A technology for separating, screening, and degrading bacteria, which can be applied to microorganism-based methods, methods using microorganisms, biochemical equipment and methods, etc., and can solve problems such as unsatisfactory degradation of corn stalks.

Active Publication Date: 2020-12-15
INNER MONGOLIA AGRICULTURAL UNIVERSITY
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Problems solved by technology

Most of the strains obtained by this screening strategy have unsatisfactory degradation effects on corn stalks in cold and cool regions

Method used

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  • Straw degrading bacteria and separation and screening method
  • Straw degrading bacteria and separation and screening method
  • Straw degrading bacteria and separation and screening method

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Embodiment Construction

[0046] Please refer to the accompanying drawings, this application discloses a straw-degrading bacteria, including Pseudomonas and Acinetobacter;

[0047] The Pseudomonas is preserved in the General Biology Center of the China Microbiological Culture Collection Management Committee. The address of the preservation unit is: No. 3, No. 1, Beichen West Road, Chaoyang District, Beijing. The preservation date is: August 11, 2020. Classification and naming : Pseudomonas sp., the preservation number is CGMCC No.20521;

[0048] The Acinetobacter is preserved in the General Biology Center of China Microbiological Culture Collection Management Committee. The address of the preservation unit is: No. 3, No. 1, Beichen West Road, Chaoyang District, Beijing. The preservation date is: August 11, 2020, and the classification is named: Acinetobacter sp., the preservation number is CGMCC No.20522.

[0049] Regarding the isolation and screening method of straw-degrading bacteria, it specificall...

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Abstract

The invention provides straw degrading bacteria and a separation and screening method, and belongs to the technical field of biology. The method comprises the following steps: screening microorganismsin soil with straw returned to the field for many years by taking lignin as a target to obtain lignin degrading single bacteria, and screening cellulose degrading single bacteria; and forming a floraby the screened cellulose degrading bacteria and lignin degrading bacteria with high straw degrading efficiency to obtain the flora with high degrading efficiency, mixing and fermenting strains to prepare a microbial agent, and screening a combination with high degrading efficiency in a field test.

Description

technical field [0001] The invention relates to the field of biological technology, in particular to a straw-degrading bacteria and a separation and screening method. Background technique [0002] Inner Mongolia Autonomous Region is an important corn producing area in my country, and also an important corn transfer area. At the same time, it also produces a large amount of corn stalks every year. The current national policy prohibits open burning of straw and encourages the comprehensive utilization of straw. Among the many methods of straw utilization, straw returning to the field can improve soil structure, increase soil water holding capacity, and achieve the effect of water and fertilizer conservation. Although straw returning to the field can improve soil fertility and save the use of chemical fertilizers, the degradation rate of corn straw after returning to the field is limited by low temperature, and a large amount of undegraded straw is suspended in the soil. When...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N1/22C05G1/00C05F17/20C05F17/50C05F11/08C12R1/38C12R1/01
CPCC12N1/20C12N1/22C05B7/00C05F17/20C05F17/50C05F11/08C05C9/00C05F5/002C05F11/00Y02W30/40
Inventor 高聚林韩升才于晓芳张赛楠青格尔胡树平王志刚孙继颖马达灵屈佳伟欧阳一吴胜王富贵苏治军包海柱李懿璞刘剑
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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